Release Notes: This release features many bugfixes and several new features, including improved port forwarding by allowing specification of an address for forwards to bind to, optional hashing of host names added to known_hosts to improve privacy, options to manage known_hosts files to ssh-keygen, improved account and password expiry support, command history, and editing to sftp and improved session multiplexing.
Release Notes: This is a feature-focused release. New features include new ciphers and key types, a new private key format, and rejection of connection requests from old insecure clients. There are also a number of bug fixes.
Release Notes: This release added experimental sandboxing of network-facing code during the pre-authentication phase and SHA2-based HMAC modes for the SSH transport. sshd now sends logs from the privilege-separated process via a pipe, eliminating the need for /var/empty/dev/log. There were many more bugfixes and changes.
Release Notes: ECC support for kex exchange and public key authentication, SFTP hard link support, improved QoS/DSCP support, bandwidth limiting for SFTP, and more.
Release Notes: This is a major feature and bugfix release. Major changes include disabling SSH protocol 1 by default, removal of legacy OpenSC/libsectok smartcard support, addition of PKCS#11 support, introduction of a new certificate authentication method for users and hosts, revised session multiplexing code, many improvements to sftp from the Google Summer of Code 2009, and lots of bugfixes.
Release Notes: Many bugs were fixed. Performance and features were improved.